Learning and inferencing in user ontology for personalized Semantic Web search
User modeling is aimed at capturing the users’ interests in a working domain, which forms the basis of providing personalized information services. In this paper, we present an ontology based user model, called user ontology, for providing personalized information service in the Semantic Web. Differ...
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sg-smu-ink.sis_research-62332020-07-23T18:29:55Z Learning and inferencing in user ontology for personalized Semantic Web search JIANG, Xing TAN, Ah-hwee User modeling is aimed at capturing the users’ interests in a working domain, which forms the basis of providing personalized information services. In this paper, we present an ontology based user model, called user ontology, for providing personalized information service in the Semantic Web. Different from the existing approaches that only use concepts and taxonomic relations for user modeling, the proposed user ontology model utilizes concepts, taxonomic relations, and non-taxonomic relations in a given domain ontology to capture the users’ interests. As a customized view of the domain ontology, a user ontology provides a richer and more precise representation of the user’s interests in the target domain. Specifically, we present a set of statistical methods to learn a user ontology from a given domain ontology and a spreading activation procedure for inferencing in the user ontology. The proposed user ontology model with the spreading activation based inferencing procedure has been incorporated into a semantic search engine, called OntoSearch, to provide personalized document retrieval services. The experimental results, based on the ACM digital library and the Google Directory, support the efficacy of the user ontology approach to providing personalized information services. 2009-07-01T07:00:00Z text application/pdf https://ink.library.smu.edu.sg/sis_research/5230 info:doi/10.1016/j.ins.2009.04.005 https://ink.library.smu.edu.sg/context/sis_research/article/6233/viewcontent/1_s2.0_S0020025509001595_main.pdf http://creativecommons.org/licenses/by-nc-nd/4.0/ Research Collection School Of Computing and Information Systems eng Institutional Knowledge at Singapore Management University Semantic Web User ontology Domain ontology Personalization Spreading activation theory Computer Engineering Databases and Information Systems |
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Semantic Web User ontology Domain ontology Personalization Spreading activation theory Computer Engineering Databases and Information Systems JIANG, Xing TAN, Ah-hwee Learning and inferencing in user ontology for personalized Semantic Web search |
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User modeling is aimed at capturing the users’ interests in a working domain, which forms the basis of providing personalized information services. In this paper, we present an ontology based user model, called user ontology, for providing personalized information service in the Semantic Web. Different from the existing approaches that only use concepts and taxonomic relations for user modeling, the proposed user ontology model utilizes concepts, taxonomic relations, and non-taxonomic relations in a given domain ontology to capture the users’ interests. As a customized view of the domain ontology, a user ontology provides a richer and more precise representation of the user’s interests in the target domain. Specifically, we present a set of statistical methods to learn a user ontology from a given domain ontology and a spreading activation procedure for inferencing in the user ontology. The proposed user ontology model with the spreading activation based inferencing procedure has been incorporated into a semantic search engine, called OntoSearch, to provide personalized document retrieval services. The experimental results, based on the ACM digital library and the Google Directory, support the efficacy of the user ontology approach to providing personalized information services. |
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JIANG, Xing TAN, Ah-hwee |
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JIANG, Xing TAN, Ah-hwee |
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JIANG, Xing |
title |
Learning and inferencing in user ontology for personalized Semantic Web search |
title_short |
Learning and inferencing in user ontology for personalized Semantic Web search |
title_full |
Learning and inferencing in user ontology for personalized Semantic Web search |
title_fullStr |
Learning and inferencing in user ontology for personalized Semantic Web search |
title_full_unstemmed |
Learning and inferencing in user ontology for personalized Semantic Web search |
title_sort |
learning and inferencing in user ontology for personalized semantic web search |
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Institutional Knowledge at Singapore Management University |
publishDate |
2009 |
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https://ink.library.smu.edu.sg/sis_research/5230 https://ink.library.smu.edu.sg/context/sis_research/article/6233/viewcontent/1_s2.0_S0020025509001595_main.pdf |
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